package Thread;

/**
 * Created with IntelliJ IDEA.
 * Description:
 * User: LianBao
 * Date: 2024-08-04
 * Time: 19:55
 */
public class demo21 {
    private static Object locker1 = new Object();
    private static Object locker2 = new Object();
    private static Object locker3 = new Object();

    public static void main(String[] args) throws InterruptedException {


        Thread t1 = new Thread(() -> {
            for (int i = 0; i < 10; i++) {

                synchronized (locker3) {
                    try {
                        locker3.wait();
                    } catch (InterruptedException e) {
                        e.printStackTrace();
                    }
                }
                System.out.print("A");
                synchronized (locker1) {
                    locker1.notify();
                }
            }

        });
        Thread t2 = new Thread(() -> {
            for (int i = 0; i < 10; i++) {
                synchronized (locker1) {
                    try {
                        locker1.wait();
                    } catch (InterruptedException e) {
                        e.printStackTrace();
                    }
                }
                System.out.print("B");
                synchronized (locker2) {
                    locker2.notify();
                }
            }

        });
        Thread t3 = new Thread(() -> {
            for (int i = 0; i < 10; i++) {
                synchronized (locker2) {
                    try {
                        locker2.wait();
                    } catch (InterruptedException e) {
                        e.printStackTrace();
                    }
                }
                System.out.println("C");
                synchronized (locker3) {
                    locker3.notify();
                }
            }
        });

        t1.start();
        t2.start();
        t3.start();
        Thread.sleep(100);
        //此时,三个线程都进入阻塞状态

        //主线程唤醒t1
        synchronized (locker3) {
            locker3.notify();
        }
    }
}
